Finding the Fourth Proportional to 126,935.19, 175,169.47 and 69,577.70
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Solution
The fourth proportional to 126,935.19, 175,169.47 and 69,577.70 is: 96,016.63
Step by Step Solution
- Step 1: Write the proportion equation
126,935.19 : 175,169.47 = 69,577.70 : x - Step 2: Convert to fraction form
126,935.19/175,169.47 = 69,577.70/x - Step 3: Cross multiply
126,935.19x = 175,169.47 × 69,577.70 - Step 4: Simplify right side
126,935.19x = 12,187,888,453.35 - Step 5: Solve for x
x = 12,187,888,453.35/126,935.19 - Step 6: Final answer
x = 96,016.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.